Eighteen Sound 18LW1400 8Ω

8Ω

Subwoofer

18″ / 460 mm

Nominal diameter

31 Hz

Resonance

0.29

Q factor

96 dB

Sensitivity

± 9 mm

Linear excursion

1400 W

Program Power

Eighteen Sound 18LW1400 8Ω Subwoofer

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 95.6; dB
Frequency response: 28 - 2500; Hz
Resonance frequency (free air)
f_S: 31.0; Hz
Mechanical quality factor
Q_MS: 7.20
Electrical quality factor
Q_ES: 0.31
Total quality factor
Q_TS: 0.29
Maximum linear excursion
x_max: 9.0; mm
Air volume displaced at x_max
V_D: 1103; cm³
Power handling
P: 1000; W
Program power
P_max: 1400; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 5.0; Ω
Inductance (1kHz)
L_E: 2.3; mH
VC Diameter: 100; mm
Winding material: Copper
Force factor
Bl: 24.7; N/A
Motor constant
Bl/√R_E: 11.0; N/√W
Material: Ferrite
Effective diameter: 395; mm
Effective area
S_D: 1225; cm²
Moving mass
M_MS: 190; g
Moving mass (without air load)
M_MD: 160.3; g
Material: Weather protected
Stiffness
K_MS: 7.19; N/mm
Compliance
C_MS: 139; µm/N
Equivalent volume to the compliance
V_AS: 297; L
Mechanical resistance
R_MS: 5.14; N·s/m
Nominal diameter: 18; ″
: 460; mm
Overall diameter: 462; mm
Baffle cutout diameter: 416; mm
Overall depth: 215; mm
Flange thickness: 26; mm
Mounting depth: 189; mm
Volume occupied by the driver (estimated): 7.4; L
Net weight: 13.3; kg

Eighteen Sound 18LW1400 8Ω SPL

Eighteen Sound 18LW1400 8Ω Dimensions

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